volunteers suffering from insomnia were divided into two groups. The first group was assigned a special no-dessert diet while the other group continued desserts as usual. Half of the people in these groups randomly assigned to an exercise program, while others did not exercise. After the experiment, those who ate no dessert and engaged in exercise showed the most improvement
What experimental design is this: volunteers suffering from insomnia were divided into two groups. The first group was assigned a special no-dessert diet while the other group continued desserts as usual. Half of the people in these groups randomly assigned to an exercise program, while others did not exercise. After the experiment, those who ate no dessert and engaged in exercise showed the most improvement
volunteers suffering from insomnia were divided into two groups. The first group was assigned a special no-dessert diet while the other group continued desserts as usual. Half of the people in these groups randomly assigned to an exercise program, while others did not exercise. After the experiment, those who ate no dessert and engaged in exercise showed the most improvement